Home / 421,006.41-580,997.21-230,031.63

Finding the Fourth Proportional to 421,006.41, 580,997.21 and 230,031.63

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Solution

The fourth proportional to 421,006.41, 580,997.21 and 230,031.63 is: 317,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,006.41 : 580,997.21 = 230,031.63 : x
  2. Step 2: Convert to fraction form
    421,006.41/580,997.21 = 230,031.63/x
  3. Step 3: Cross multiply
    421,006.41x = 580,997.21 × 230,031.63
  4. Step 4: Simplify right side
    421,006.41x = 133,647,734,091.59
  5. Step 5: Solve for x
    x = 133,647,734,091.59/421,006.41
  6. Step 6: Final answer
    x = 317,448.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.